a(n) = n*binomial(2*n, n)*Fibonacci(n)^2.

A119700

a(n) = n*binomial(2*n, n)*Fibonacci(n)^2.

Terms

    a(0) =0a(1) =2a(2) =12a(3) =240a(4) =2520a(5) =31500a(6) =354816a(7) =4060056a(8) =45405360a(9) =505842480a(10) =5588869000a(11) =61464995592a(12) =672880545792

External references